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Ed Wright · 02-21-2020, 12:46 PM

Generally, after milling the heads to correct chamber CCs, the intake side requires milling so the manifold fits correctly. That takes a few CCs off the intake runners. Decking the block (sbc engines here) needs the same.
We gotta put those CCs back, right? :-)

02-21-2020, 12:46 PM	#10
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 389 Times in 168 Posts	Re: SS Head Porting Rules ? Generally, after milling the heads to correct chamber CCs, the intake side requires milling so the manifold fits correctly. That takes a few CCs off the intake runners. Decking the block (sbc engines here) needs the same. We gotta put those CCs back, right? :-) __________________ Ed Wright 4156 SS/JA Last edited by Ed Wright; 02-21-2020 at 01:16 PM.